US PATENT SUBCLASS 524 / 286
.~.~.~.~.~.~.~ Naphthenic acid or derivative

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


524 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*  DD  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17}
1  DF  .~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31}
80  DF  .~.~.~ DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon {4}
81  DF  .~.~.~.~ Organic DNRM {21}
284  DF  .~.~.~.~.~ Carboxylic acid or derivative and wherein the derivative is other than a metal salt DNRM {3}
285  DF  .~.~.~.~.~.~ Cycloaliphatic group or bridged or fused ring system, e.g., camphoric acid, etc. {1}
286.~.~.~.~.~.~.~ Naphthenic acid or derivative

DEFINITION

Classification: 524/286

Naphthenic acid or derivative:

(under subclass 285) Subject matter wherein the carboxylic acid is a mixture of monocyclic or fused or bridged monocarboxylic hydrocarbon acids described as naphthenic acid

or derivatives thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

285, for a purified monocyclic or fused or bridged hydrocarbon carboxylic acid.